CVE-2023-34440

EUVD-2023-38516
Improper input validation in UEFI firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
LOCAL
HIGH
HIGH
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 15.75%
Debian logo
Debian Releases
Debian Product
Codename
intel-microcode
bookworm
postponed
bookworm/non-free-firmware
vulnerable
bookworm/non-free-firmware (security)
vulnerable
bullseye/non-free
vulnerable
bullseye/non-free (security)
vulnerable
sid/non-free-firmware
vulnerable
trixie/non-free-firmware
vulnerable
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
intel-microcode
bionic
not-affected
focal
not-affected
jammy
not-affected
noble
not-affected
oracular
not-affected
trusty
not-affected
xenial
not-affected
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
microcode
RHEL 9
4:20240910-1.20250211.1.el9_5
fixed
Common Weakness Enumeration
References
https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01139.html
https://lists.debian.org/debian-lts-announce/2025/03/msg00021.html